ImageResizer.java

package com.company;

import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.nio.Buffer;

import javax.imageio.ImageIO;

/**
 * This program demonstrates how to resize an image.
 *
 * @author www.codejava.net
 *
 */
public class ImageResizer {

    /**
     * Resizes an image to a absolute width and height (the image may not be
     * proportional)
     * @param scaledWidth absolute width in pixels
     * @param scaledHeight absolute height in pixels
     * @throws IOException
     */
    public static BufferedImage resize(BufferedImage inputImage, int scaledWidth, int scaledHeight)
            throws IOException {
        // reads input image

        // creates output image
        BufferedImage outputImage = new BufferedImage(scaledWidth,
                scaledHeight, inputImage.getType());

        // scales the input image to the output image
        Graphics2D g2d = outputImage.createGraphics();
        g2d.drawImage(inputImage, 0, 0, scaledWidth, scaledHeight, null);
        g2d.dispose();

        // writes to output file
        return outputImage;
    }


}